Mitsubishi Electric MELSEC-Q00U(J)CPU

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CHAPTER 3 FUNCTIONS
3
3.38 Operation History Function 3.38.1 Operation history save function
3.38.1 Operation history save function
This function saves the memory operation history in the save destination set in the PLC parameter.
(1) Operation histories to be saved
The following table lists the operation histories to be saved.
Operation and function
Writing to device
Operation from the
programming tool
• Current value change using watch/monitor
*1
• Remote RUN when clearing is specified in the clear mode
• Remote latch clear
• Registration of external input/output forced on/off function
*1
• Registration of executional conditioned device test
*1
Others
• Device data writing using the SLMP/MC protocol ( Page 317, Section 3.38.1 (1)
(a))
• Device data writing by instructions ( Page 318, Section 3.38.1 (1) (b))
• Device data writing by FTP ( Page 318, Section 3.38.1 (1) (c))
• Device data writing from the programmable controller in another station or another CPU
module
• Simple PLC communication function ("Write" or "Transfer" from the communication
destination)
• Latch clear by using the special relay and special register areas
Writing to file
Operation from the
programming tool
• Write to PLC
• Online Change
• Clear all file registers
• Writing protocol setting data of the predefined protocol support function
*2
• Writing the data logging setting
• Change TC setting value
Others
• Writing files using the SLMP/MC protocol ( Page 317, Section 3.38.1 (1) (a))
• Writing files by instruction ( Page 318, Section 3.38.1 (1) (b))
• Writing files by FTP ( Page 318, Section 3.38.1 (1) (c))
• Change TC setting value from GOT
*5
Clear operation
Operation from the
programming tool
• Clear device's whole memory
• Format PLC memory
*3*4
• Delete PLC data
Clock setting
Operation from the
programming tool
Clock setting with the programming tool (excluding the time adjustment using SNTP)
Others
• Clock setting by the DATEWR/REQ/RTMWR instruction
• Clock setting by the special relay (SM210, SM1025)
Operation to the
operation history file
Operation from the
programming tool
• Clearing the operation history
*3
• Creating a new operation history file